<template>
   <div class="todo-container">
    <div class="todo-wrap">
      <Header :addTodo="addTodo"></Header>
      <List :todoList="todoList"/>
      <Footer></Footer>
    </div>   
  </div>
</template>

<script>
import Header from "@/components/Header"
import Footer from "@/components/Footer"
import List from "@/components/List"
export default {
name:"App",

// 组件
components:{
  Header,
  Footer,
  List
},
data(){
  return{
    todoList:[
      {id:"001",done:false,content:"敲代码"},
      {id:"002",done:false,content:"来敲代码"},
      {id:"003",done:false,content:"快来代码"}
    ]
  }
},

// methods将被混入到Vue实例中。可以直接通过VM实例访问这些方法，或者在指令表达式中使用。方法中的this自动绑定为Vue实例
methods: {
    // 表单添加todo的方法
  addTodo(newTodo){
    // 在首部添加
    this.todoList.unshift(newTodo)
  }
},

}
</script>

<style>
/*base*/
body {
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

.btn-danger {
  color: #fff;
  background-color: #da4f49;
  border: 1px solid #bd362f;
}

.btn-danger:hover {
  color: #fff;
  background-color: #bd362f;
}

.btn:focus {
  outline: none;
}

.todo-container {
  width: 600px;
  margin: 0 auto;
}
.todo-container .todo-wrap {
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}

</style>